San Antonio Weather Forecast

    • 51
    • 83

    Slight Chance Thunderstorms

    • 50
    • 82

    Chance Thunderstorms

    • 51
    • 85

    Partly Sunny

    • 50
    • 86

    Chance Thunderstorms

    • 51
    • 86

    Chance Thunderstorms

    • 51
    • 87

    Chance Thunderstorms

Today 16 Aug Southern San Luis Valley

Mostly sunny with a 10 percent chance of Thunderstorms. Highs 79 to 84. Light Winds becoming southwest around 10 Mph in the afternoon.

Tonight 16 Aug Southern San Luis Valley

Mostly cloudy. Lows 49 to 55. South Winds around 10 Mph.

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San Antonio Temperature Statistics

August Temperature

San Luis Valley Regional Airport (29.8 miles)

  • Lowest 11 August, 2026

    44.7 °F

  • Average August

    70.1 °F

  • Highest 4 August, 2026

    93.7 °F

Climate (2021–2026)

San Luis Valley Regional Airport (29.8 miles)

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  • Average Low 2021–2026

    26.7 °F

  • Average 2021–2026

    45.2 °F

  • Average High 2021–2026

    63.4 °F
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